/* ==============================================================================
   SICP - Sistema Inteligente de Circulación Predictiva
   El Siglo de Torreón | Hoja de Estilos Personalizada (custom.css)
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,900;1,700&display=swap');

:root {
  --sicp-navy: #0f2c59;        /* Azul oscuro profundo para Login y Brand */
  --sicp-navy-hover: #1e3a8a;
  --sicp-accent-blue: #2563eb;
  --sicp-bg: #f8fafc;          /* Gris muy claro para Dashboard */
  --sicp-sidebar: #ffffff;
  --sicp-green: #10b981;
  --sicp-red: #ef4444;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--sicp-bg);
  color: #1e293b;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-serif-siglo {
  font-family: 'Playfair Display', Georgia, serif;
}

/* Fondo exclusivo para la vista de inicio de sesión (image_0.png) */
.login-bg {
  background-color: var(--sicp-navy);
  background-image: radial-gradient(circle at 50% 30%, #163e7a 0%, #0f2c59 70%, #081a38 100%);
}

/* Columna dominical destacada sutilmente */
.col-dominical {
  background-color: #f1f5f9;
}

/* Indicadores de variación (Deltas de IA) */
.delta-tag {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.72rem;
  padding: 0.15rem 0.35rem;
  border-radius: 0.375rem;
  line-height: 1;
}

.delta-up {
  color: #047857;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.delta-down {
  color: #b91c1c;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
}

.delta-neutral {
  color: #64748b;
  background-color: #f8fafc;
}

/* Tarjetas y bordes limpios */
.card-soft {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
}

.card-soft-hover:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease-in-out;
}

/* Animación de Inferencia de Vertex AI */
@keyframes ai-pulse-bar {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(0%); }
  100% { transform: translateX(100%); }
}

.animate-ai-progress {
  animation: ai-pulse-bar 1.8s ease-in-out infinite;
}

/* Transición suave entre vistas SPA */
.view-transition {
  transition: opacity 0.25s ease-in-out, transform 0.25s ease-in-out;
}

/* Barra de desplazamiento refinada */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}